Issue 12, 2020

Solar activation of fungus coated in photothermal cloth

Abstract

Bioorthogonal reactions based on manipulating the physicochemical and biological behavior of natural cells have gained tremendous attention for meeting the demands for multifunctional microorganisms without decreasing cell viability. Described herein is a novel bioorthogonal method for microorganism (Aspergillus oryzae) modification which coats the microorganism with a photothermal conversion cloth for staying bioactive in cold environments. Two steps, including ferric ions primarily binding to the microorganism cell surface, followed by in situ polymerization of pyrrole, are adopted to actualize highly efficient polypyrrole modification on the microorganism surfaces. The production of α-amylase by Aspergillus oryzae and α-amylase catalytic ability are two representative indexes of cold adaptation as confirmed by a starch decomposition test. This strategy for coating microorganisms with photothermal cloth is biocompatible and cost-effective, and can achieve non-contact modulation, which also offers great promise for generating living cell–polymer hybrid structures based on other microorganism systems for low-temperature environmental adaptation.

Graphical abstract: Solar activation of fungus coated in photothermal cloth

Supplementary files

Article information

Article type
Paper
Submitted
17 Dec 2019
Accepted
14 Feb 2020
First published
15 Feb 2020

J. Mater. Chem. B, 2020,8, 2466-2470

Solar activation of fungus coated in photothermal cloth

Q. Pan, R. Li, J. Jia and Y. Wang, J. Mater. Chem. B, 2020, 8, 2466 DOI: 10.1039/C9TB02857A

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